Finding the Fourth Proportional to 524,219.80, 785,163.30 and 430,907.80
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Solution
The fourth proportional to 524,219.80, 785,163.30 and 430,907.80 is: 645,402.92
Step by Step Solution
- Step 1: Write the proportion equation
524,219.80 : 785,163.30 = 430,907.80 : x - Step 2: Convert to fraction form
524,219.80/785,163.30 = 430,907.80/x - Step 3: Cross multiply
524,219.80x = 785,163.30 × 430,907.80 - Step 4: Simplify right side
524,219.80x = 338,332,990,243.74 - Step 5: Solve for x
x = 338,332,990,243.74/524,219.80 - Step 6: Final answer
x = 645,402.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.